Carbon-13 NMR spectra of stereoisomeric substituted 2-methylcyclohexanols and their acetates: A comparison of the observed and predicted chemical shifts.
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概要
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The <SUP>13</SUP>C NMR spectra of stereoisomeric 4-<I>t</I>-butyl-2-methylcyclohexanols, 5-<I>t</I>-butyl-2-methylcyclohexanols, 2-methylcyclohexanols, and their acetates were measured. The observed chemical shifts were compared with the values estimated by using the substituent parameters of methyl, <I>t</I>-butyl, and hydroxyl groups. An appreciable deviation by vicinal substitution was found between the predicted and observed chemical shifts of C-1 and C-2. The substituent parameters of the acetoxyl group on the cyclohexane ring were estimated by means of a comparison of the chemical shifts of <I>cis</I>- and <I>trans</I>-4-<I>t</I>-butylcyclohexyl acetate, and those of <I>t</I>-butylcyclohexane.
- 公益社団法人 日本化学会の論文
著者
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Senda Yasuhisa
Department Of Material And Biological Chemistry Faculty Of Science Yamagata University
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Imaizumi Shin
Department of Engineering Science (Chemistry), Faculty of Engineering, Tohoku University
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Ishiyama Jun-ichi
Department of Applied Science, Faculty of Engineering, Tohoku University
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Imaizumi Shin
Department of Applied Science, Faculty of Engineering, Tohoku University
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Senda Yasuhisa
Department of Applied Science, Faculty of Engineering, Tohoku University
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